After trumpets of the apocalypse proclaim the fall of humanity, vampires arise from the shadows to rule the earth. Yuichiro wants just one thing - to get revenge by killing each and every vampire. Yuichiro has no memory of his terrifying but temporary transformation into a one-winged monster during the battle for Shinjuku. The widely feared leaders of the Japanese Imperial Demon Army, however, take note of his squad s unusual talent. Despite the unwanted attention, Yuichiro s resolve to save Mika from the vampires crystallizes as his real training in demon possession and manifestation begins.